19151181

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{947}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 32762880

約数和(自身を除く): 13611699

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 947, 963, 2247, 2841, 2889, 6629, 6741, 8523, 19887, 20223, 25569, 59661, 101329, 178983, 303987, 709303, 911961, 2127909, 2735883, 6383727, 19151181]

約数ペア:

[(1, 19151181), (3, 6383727), (7, 2735883), (9, 2127909), (21, 911961), (27, 709303), (63, 303987), (107, 178983), (189, 101329), (321, 59661), (749, 25569), (947, 20223), (963, 19887), (2247, 8523), (2841, 6741), (2889, 6629)]